@Override
@SuppressWarnings("unchecked")
public Builder addTo(int key, Object value) {
CField field = descriptor.getField(key);
if (field == null) {
return this; // soft ignoring unsupported fields.
}
if (this.unionField != field || this.currentValue == null) {
this.unionField = field;
switch (field.getType()) {
case LIST:
{
PList lType = (PList) field.getDescriptor();
this.currentValue = lType.builder();
break;
}
case SET:
{
PSet lType = (PSet) field.getDescriptor();
this.currentValue = lType.builder();
break;
}
default:
{
throw new IllegalArgumentException(
"Unable to accept addTo on non-list unionField " + field.getName());
}
}
}
if (value == null) {
throw new IllegalArgumentException("Adding null item to collection " + field.getName());
}
switch (field.getType()) {
case LIST:
{
((PList.Builder) this.currentValue).add(value);
break;
}
case SET:
{
((PList.Builder) this.currentValue).add(value);
break;
}
}
return this;
}
